參數(shù)資料
型號: SM34020AHTM32
廠商: TEXAS INSTRUMENTS INC
元件分類: 圖形處理器
英文描述: GRAPHICS PROCESSOR, CQFP132
封裝: CERAMIC, QFP-132
文件頁數(shù): 19/98頁
文件大?。?/td> 1546K
代理商: SM34020AHTM32
SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011D -- APRIL 1991 -- REVISED SEPTEMBER 2004
26
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
cycle timing examples (continued)
BUSFLT
(see Note B)
LRDY
(see Note B)
DDIN
SF
RCA
CAMD
LCLK2
LCLK1
GI
ALTCH
RAS
CAS
WE
TR/QE
DDOUT
PGMD
(see Note B)
SIZE16
(see Note B)
Q4
Q1
Q2
Q3
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
Q1
Address
Row
1st Column
2nd Column
Address Subcycle
Data Transfer
Subcycle
Data Transfer
Subcycle
Data
R0
R1
Standard Memory Read Cycle
Page-Mode Read
LAD (SMJ34020A)
(see Note A)
LAD (Memory)
(see Note A)
Q4
See clock stretch, page 21.
NOTES: A. LAD (SMJ34020A): Output to LAD by the SMJ34020A
LAD (memory): Output to LAD by the memory.
B. LRDY, PGMD,SIZE16, and BUSFLT are not sampled on subsequent page-mode cycle accesses to
32-bit-wide memory space.
Figure 9. Local-Memory Read-Cycle Timing (With Page Mode)
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